Jul 13,2020 • Filed to: Hard Drive Recovery • Proven solutions
Which File Format to Choose When Formatting USB Drive on Mac For PCs operating on macOS High Sierra or newer version, you can select from two options of file formats: Mac OS Extended and APFS. Partition flash drive mac os x. Here is the difference, APFS format is not compatible with macOS versions older than High Sierra. Jan 25, 2019 The easiest way to add storage to your Mac is to buy an external hard drive. Once you have it, your first task is to pick a suitable file system for that drive depending on your intended usage. Using Apple’s free Disk Utility app, you can easily format the drive, give it a label, or even partition it and create multiple volumes from a single.
“How to format an external hard drive Mac? What format system to use when reformatting my storage drive for a Mac?”
This is a frequent question asked by first-time, as well as the not-so-tech-savvy, macOS users. Learning how to format an external hard drive Mac is essential. Because saving all your data on the Cloud is nice and all, but physical storage is still popular. Especially if you don’t have a stable internet connection or if most of your files are large.
Luckily, you don’t have to learn rocket science to be able to format an external hard drive for Mac or PC. The operation is pretty straightforward.
When it comes to your Apple device, there are two methods to use. Read on to find out all you need to know about them.
Part 1: What Is the Best Format for External Hard Drive Mac?
The first step to formatting your external drive for a Mac computer is choosing the right format. There are four possible choices:
To understand which is the best for you, let’s have a comprehensive overview of each of them.
Apple File System
The APFS was first introduced in 2017 as a replacement for the HFS+. Nowadays, all new Macs come with the operating system preinstalled on APFS, as this system is optimized for use with SSD and flash storage drives. However, it still works with traditional HDD drives too.
This is the best format to pick if you have an external SSD or USB flash drive that you don’t intend to use with a Windows device.
The biggest strength of this system is the speed, as well as the encryption and metadata handling. However, you won’t be able to use this system with Time Machine.
Mac OS Extended
The HFS+, or Hierarchical File System plus on its real name, was the main file system used for Mac until 2017.
This type of file system is suitable to use with both HDD and SDD drives, but the latter will perform slightly better with the APFS mentioned above. If you have an older Mac, though, choosing the HFS+ is your best bet.
In general, all external drives formatted to HFS+ work nicely with older Mac versions but are incompatible with Windows.
Extended File Allocation Table
Designed by Microsoft, the exFAT is a good choice if you plan to use the external hard drive with both macOS and Windows systems. Yet, you won’t get top performance on either. This choice is more appropriate for USB flash drives, although you can still use it for SDD and HDD units too.
The main issue with exFAT is that your drive will be more prone to fragmentation when used with Apple devices and is less stable than NTFS on Windows. If you really have to share the drive between Mac and Windows machines, that’s your best option though.
Format External Hard Drive Mac
MS-DOS
Macs also support FAT32 drives, marked as FAT in Disk Utility. This format should be avoided at all costs unless you’re dealing with a really old Windows computer, which you really have to use in parallel with your Mac system.
Typically, there is no reason to choose this option unless you’re planning to use the external hard drive on a Windows XP or earlier machine.
Part 2: How to Format an External Hard Drive Mac?
Now that you know which format to choose, it’s time to learn how to format an external hard drive for Mac. There are essentially two methods, with Disk Utility or Time Machine function.
Note: If you plan to format an older external drive, perhaps one you used with another device, make sure to backup all data before proceeding. Formatting is a permanent procedure that can’t be reversed. While there are data recovery software you can use if you lost data, it is always better to prevent.
That said, here’s how to format an external hard drive Mac:
Method 1: Format Mac Hard Drive with Disk Utility
Disk Utility is a utility application proprietary to macOS that is used to both format and manage internal and external disks. Here’s how to use it:
Step 1 Connect the external hard drive you want to format to your Mac, then start the Disk Utility app that you can find under Applications -> Utilities.
Step 2 On the left side of the Utilities screen, find the name of the external hard drive you want to format and select it. Then, on the top side under the Disk Utility, click on the Erase button.
Step 3 Follow the on-screen prompts to select the desired file system and allow the drive to format. That’s it! After the process is complete, you can either start using the drive or choose to create partitions on it.
Method 2: Format Mac Hard Drive with Time Machine
Formatting an external hard drive with Time Machine is as easy as formatting it with Disk Utility. Time Machine, however, gives you the possibility to create an automatic backup of the data on your hard drive before formatting it.
Before you proceed, therefore, you should first set up the external drive to use with Time Machine.
To do this, open System Preferences and select Time Machine after you’ve connected the external drive to your Mac.
Now, click on Select Disk and select the desired drive from the list. Click on the Use Disk button. At this point, the system will run an automatic backup two minutes after you’ve clicked on the Use Disk button, or you can proceed with the formatting if the hard disk is empty.
To format an external hard drive for Mac with Time Machine, you must follow the steps below.
Step 1 Open Finder, Applications, then go to Utilities and Disk Utility.
Step 2 Follow the steps above to format the drive, and then you can use it with Time Machine on your Mac system.
Part 3: Bonus Tip – Data Recovery from Formatted Hard Drive on Mac
Sometimes, it may happen that you accidentally formatted an external hard drive containing important data. Whether it’s your wedding pictures or your bachelor’s degree thesis, chances are you want to get that data back as quickly as possible.
If you have a newer version of Mac, you can use the Apple Time Machine to recover your canceled files, or you could choose to use external software, such as Recoverit Data Recovery.
1. Recover Data with Apple Time Machine
In the former hypothesis, you can try to recover your data with the Time Machine. This app is Apple’s backup feature present on the newer systems. If you followed the steps above before formatting the hard drive with Time Machine and allowed the app to execute the backup, then there are high chances that you can recover any lost data without too much hassle.
To do so, just launch the Time Machine and browse through the folders to see if it has saved the files you require.
For easier browsing, you can use the time stamp feature on the right side of the screen and select the date or time when you executed the backup.
Once you found the files, simply click on Restore to get them back.
2. Recover Data with Recoverit Data Recovery
If you didn’t use the Time Machine function or couldn’t find the files you need, you can try to recover any lost files with trusted third-party software, such as Recoverit Data Recovery.
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This system is also very easy to use, in just three easy steps:
Step 1 Install the application and choose the desired location
Download and install the software on your Mac computer, then open it and select the external hard drive, partition, or location where you want to retrieve data.
Step 2 Start the scan to retrieve your lost data
Click the Start button. The software will now scan the selected drive and display all retrieved data in an easy-to-scour list.
Step 3 Preview the recovered files and save them in your chosen location
Review and select the target files, then launch the recovery process. That’s it. The software will restore your lost data.
Conclusion
As you can see, how to format an external hard drive Mac is not particularly complicated. The Disk Utility allows you to format the desired drive to the desired system in a blink of an eye. Backing up the data on your drive with Time Machine also allows you to avoid the recovery hassle.
If you still lost some data, you even know which software to use to recover all lost files.
Now it’s your turn. Use this guide to format your external drive, download, and use the data recovery software if needed, and don’t forget to share this article with your Mac-addicted friends. They might make good use of it too.
FonePaw - Solution - Eraser - Format A Hard Drive for MacOS
Some people are asking for a way to format a hard drive for Mac. Whether you are trying to backup Mac to an external hard drive, wipe out any personal information and sell the computer, or even use a new operating system, you need to format the hard drive on your Mac or PC.
But before you can do anything, you need to make it clear that the hard drive you want to wipe or format would be an external hard drive or an internal hard drive. We can easily format external hard drive for Mac. But when it comes to format internal hard drive for mac, things are getting a little more complicated. Maybe we will go through with the way to format a startup drive for Mac later. But now in this guide, we will cover the situation of formatting an external hard drive in steps.
Notice that you need to backup your importanct files on the hard drive you are going to format as the procedure would delete all of the data and bring it back to the factory settings.
Format an external hard drive for Mac
How to Format External Hard Drive for Mac
If you are trying to format Mac external hard drive, you can go over the process step by step:
Step 1. Connect your hard drive to your Mac.
Step 2. Open Finder and choose 'Applications > Utilities > Disk Utility' to launch the app on your Mac.
Step 3. Once you open the Disk Utility app, you can see all the drives on your Mac are listed on the left-hand sidebar. Just select the one you want to format and click on the 'Erase' tab.
Format an external hard drive for Mac
Step 4. Now in this interface, you will see a 'Format' option. In this drop-down box, you are allowed to choose different format.
OS X Extended (Journaled) should be selected if you are going to use the drive as a system or 'boot' drive on macOS.
Mac OS Extended should be selected if you will be using the drive as a media or 'scratch' drive on Mac.
Mac OS (FAT) is compatible with both PC and Mac platforms. However, there's a limit to transfer files within 4GB.
ExFAT is similar with Mac OS (FAT) but it can work with files as large as 16EB (exabytes)
So if you are going to use an external drive for both your Windows PC and your Mac, you should choose the ExFAT or FAT format.
Choose format for hard drive
Format Mac Internal Hard Drive
Step 5. Name your drive you like but it would be better to choose something specific, so that you can make things clear every time when you look at its name.
Step 6. Click on the 'Security Options' button and you are able to choose the way (fastest or more secure) to format your external disk. The fastest way will save your time but it erases the drive only by removing the header information. That is to say, you can easily restore the hard drive using a data recovery software if the files haven't been overwritten. It is not good and the format process is meaningless in some way. So maybe you can try the more secure one. It may take quite a long time, but it will erase the drive in a deeper way.
Format External Drive Mac Os
Step 7. Click on the 'Erase' button to start erasing the external hard drive or USB. Formatting a hard drive will take a while and wait for it patiently. Once the progress bar is at 100%, the job is done!
How to Recover Formatted Hard Drive on Mac
As it is mentioned above, after formatting a hard drive, all data on the hard drive will be erased. But what if you have second thought and need to recover files from the formatted drive? Is it possible to recover files from formatted drive on Mac? Yes, it is possible. But you'll need FonePaw Data Recovery, a Mac data recovery program that can recover deleted files from hard drive, SD card, USB drive even the drive has been formatted.
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Mac os x burn iso to flash drive.
Step 1. Run FonePaw Data Recovery on your Mac. Remember that you should not install the application on the formatted drive. Otherwise, some of the files could be overwritten by the application.
Step 2. When the application is open, select the files you want to retrieve from the formatted drive. Tick the formatted hard drive. And click Scan.
Step 3. The application will first quickly scan some easy-to-get files on the formatted hard drive. If you need more files. Click Deep Scan to find files that are buried deeper.
Mac Os External Hard Drive Format Types
Step 4. View the results by file types or path. Tick the files you need and click Recover. If you have deleted files that haven't been found, do not save the recovered files on the formatted drive. Instead, save them on other drive, such as your USB drive.
If you have any problem when following the steps to format hard drive for Mac, please leave us a message on the comment box below!
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